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Holmium Chunk

High Purity Ho Chunk
CAS 7440-60-0


Product Product Code Request Quote
(2N) 99% Holmium Chunk HO-M-02-CK Request Quote
(3N) 99.9% Holmium Chunk HO-M-03-CK Request Quote
(4N) 99.99% Holmium Chunk HO-M-04-CK Request Quote
(5N) 99.999% Holmium Chunk HO-M-05-CK Request Quote

CHEMICAL
IDENTIFIER
Formula CAS No. PubChem SID PubChem CID MDL No. EC No Beilstein
Re. No.
SMILES
Identifier
InChI
Identifier
InChI
Key
Ho 7440-60-0 24869411 23988 MFCD00011049 231-169-0 N/A [Ho] InChI=1S/Ho KJZYNXUDTRRSPN-UHFFFAOYSA-N

PROPERTIES Mol. Wt. Appearance Density Tensile Strength Melting Point Boiling Point Thermal Conductivity Electrical Resistivity Eletronegativity Specific Heat Heat of Vaporization Heat of Fusion MSDS
164.93 Silvery 8.795 gm/cc N/A 1474 °C 2695°C 0.162 W/cm/ K @ 298.2 K 87.0 microhm-cm @ 25°C 1.2 Paulings 0.0393 Cal/g/ K @ 25 °C 67 K-Cal/gm atom at 2695°C 4.10 Cal/gm moleSafety Data Sheet

High Purity ChunkAmerican Elements specializes in producing high purity Holmium Chunks are produced using crystallization, solid state and other ultra high purification processes such as sublimation. Standard Chunk pieces are amorphous uniform pieces ranging in size from 5-15 mm. American Elements specializes in producing custom compositions for commercial and research applications and for new proprietary technologies. American Elements also casts any of the rare earth metals and most other advanced materials into granules, rod, bar or plate form, as well as other machined shapes and through other processes such as nanoparticles and in the form of solutions and organometallics. We also produce Holmium as rod, pellets, powder, pieces, disc, ingot, wire, and in compound forms, such as oxide. Other shapes are available by request.

Holmium Bohr ModelHolmium Element SymbolHolmium (atomic symbol: Ho, atomic number: 67) is a Block F, Group 3, Period 6 element with an atomic radius of 164.93032. The number of electrons in each of Holmium's shells is [2, 8, 18, 29, 8, 2] and its electron configuration is [Xe] 4f11 6s2. The holmium atom has a radius of 176 pm and its Covalent radius is 192±7 pm. Holmium was first discovered by Marc Delafontaine in 1878. Elemental Holmium Picture In its elemental form, holmium has a silvery white appearance. It is relatively soft and malleable. It is stable in dry air at room temperature but rapidly oxidizes at elevated temperatures and in moist air. Holmium has unusual magnetic properties. Its name is derived from the Latin word Holmia meaning Stockholm. For more information on Holmium, including properties, satefy data, research, and American Elements' catalog of Holmium products, visit the Homium element page.


HEALTH, SAFETY & TRANSPORTATION INFORMATION
Danger
H228
N/A
N/A
N/A
N/A
N/A
3
Flame-Flammables        

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PACKAGING SPECIFICATIONS FOR BULK & RESEARCH QUANTITIES
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Material Safety Data Sheet (MSDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes.


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Recent Research & Development for Holmium

  • Efficacy and safety of holmium laser enucleation of the prostate for extremely large prostatic adenoma in patients with benign prostatic hyperplasia. Kim M, Piao S, Lee HE, Kim SH, Oh SJ. Korean J Urol. 2015 Mar
  • Holmium laser lithotripsy with semi-rigid ureteroscopy: a first-choice treatment for impacted ureteral stones in children? Adanur S, Aydin HR, Ozkaya F, Ziypak T, Polat O. Med Sci Monit. 2014 Nov 21
  • Outpatient holmium laser treatment for recurrent low-grade superficial bladder cancer under local anesthesia. Cano-García MC, Fernández-Aparicio T, Hidalgo-Agulló G, Reina-Alcaina L, Carrillo-George C, Rivero-Guerra A, Miñana-López B. Minerva Urol Nefrol. 2015 Feb 6.
  • Reoperation after Holmium Laser Enucleation of the Prostate for Management of Benign Prostate Hyperplasia: Assessment of Risk Factors with Time to Event Analysis. Elkoushy MA, Elshal AM, Elhilali MM. J Endourol. 2015 Feb 23.
  • Evaluation of holmium laser for transurethral deroofing of severe and multiloculated prostatic abscesses. Lee CH, Ku JY, Park YJ, Lee JZ, Shin DG. Korean J Urol. 2015 Feb
  • Transurethral holmium laser vaporization to the urethral tumour through a ureteroscope. Li A, Fang W, Zuo X, Zhang F, Li W, Lu H, Liu S, Wang H, Zhang B. Can Urol Assoc J. 2014 Nov
  • Dysprosium, holmium and erbium ions doped indium oxide nanotubes as photoanodes for dye sensitized solar cells and improved device performance. Miao C, Chen C, Dai Q, Xu L, Song H. J Colloid Interface Sci. 2015 Feb 15
  • Robot-Assisted Radical Prostatectomy in Patients with a History of Holmium Laser Enucleation of the Prostate: Feasibility and Evaluation of Initial Outcomes. Gellhaus PT, Monn MF, Leese J, Flack CK, Lingeman JE, Koch MO, Boris RS. J Endourol. 2014 Nov 25.
  • Re: Patient-reported Sexual Outcomes After Holmium Laser Enucleation of the Prostate: A 3-Year Follow-up Study (Urology 2014
  • [Holmium laser enucleation of the prostate as a day case surgery: prospective evaluation of the first 30 patients]. Gabbay G, Bernhard JC, Renard O, Ballanger P, Ferriere JM, Fallot J, Comat V, Robert G. Prog Urol. 2015 Jan
  • Retrograde intrarenal surgery with holmium-YAG laser lithotripsy in the primary treatment of renal lithiasis. Redondo C, Ramón de Fata F, Gimbernat H, Meilán E, Andrés G, Angulo JC. Actas Urol Esp. 2014 Oct 25.
  • Effects of preoperative dutasteride treatment in holmium laser enucleation of the prostate. Sato R, Sadaoka Y, Nishio K, Kobori Y, Yagi H, Arai G, Soh S, Okada H. Int J Urol. 2015 Jan 29.
  • Laser action along and near the optic axis of a holmium-doped KY(WO4)2 crystal. Cattoor R, Manek-Hönninger I, Rytz D, Canioni L, Eichhorn M. Opt Lett. 2014 Nov 15
  • Sub-100 fs passively mode-locked holmium-doped fiber oscillator operating at 2.06μm. Li P, Ruehl A, Grosse-Wortmann U, Hartl I. Opt Lett. 2014 Dec 15
  • Opening the flood gates: holmium laser enucleation is superior to photoselective vaporization of the prostate for the treatment of chronic urinary retention. Raison N, Challacombe B. BJU Int. 2015 Feb
  • Holmium-lipiodol-alginate microspheres for fluoroscopy-guided embolotherapy and multimodality imaging. Oerlemans C, Seevinck PR, Smits ML, Hennink WE, Bakker CJ, van den Bosch MA, Nijsen JF. Int J Pharm. 2015 Mar 30
  • Small-angle neutron scattering of nanocrystalline gadolinium and holmium with random paramagnetic susceptibility. Döbrich F, Bick JP, Birringer R, Wolff M, Kohlbrecher J, Michels A. J Phys Condens Matter. 2015 Feb 4
  • Transurethral Holmium Laser Cystolithotripsy in Children: Single Center Experience. Aboulela W, Elsheemy MS, Shoukry AI, Shouman AM, ElShenoufy A, Daw K, Morsi HA, Badawy H. J Endourol. 2015 Mar 9.
  • Excising multiple ureteral cysts endoscopically utilizing the OmniPlus-Max 80 W holmium laser. Blewniewski M, Ró?a?ski W. Can Urol Assoc J. 2015 Jan-Feb
  • A Prospective Randomized Trial Comparing Pneumatic Lithotripsy and Holmium Laser for Management of Middle and Distal Ureteral Calculi. Li L, Pan Y, Weng Z, Bao W, Yu Z, Wang F. J Endourol. 2015 Feb 18.